I made one object, and made sure it worked. I then copied it and just changed the values!!!!!!!!!
<?xml version="1.0" standalone="yes"?>
<System>
<Body>
<Name>Mu Arae</Name>
<Object>Sun</Object>
<Appearance>Sun</Appearance>
<Mass>1.1 suns</Mass>
<Diameter>1893120</Diameter>
<PositionX>0</PositionX>
<PositionY>0</PositionY>
<PositionZ>0</PositionZ>
<VelocityX>0</VelocityX>
<VelocityY>0</VelocityY>
<VelocityZ>0</VelocityZ>
<Settings>gravity=1</Settings>
</Body>
<Body>
<Name>Mu Arae c</Name>
<Object>Jupiter</Object>
<Mass>.03321 jupiters</Mass>
<Diameter>.03 jupiters</Diameter>
<Orbit>body=Mu Arae; a=.09094 AU; e=.172; peri=212.7</Orbit>
<Settings>timestep=3.00 minute</Settings>
</Body>
<Body>
<Name>Mu Arae d</Name>
<Object>Jupiter</Object>
<Mass>.5219 jupiters</Mass>
<Diameter>.05 jupiters</Diameter>
<Orbit>body=Mu Arae; a=.921 AU; e=.066; peri=189.6</Orbit>
</Body>
<Body>
<Name>Mu Arae b</Name>
<Object>Jupiter</Object>
<Mass>1.676 jupiters</Mass>
<Diameter>1.6 jupiters</Diameter>
<Orbit>body=Mu Arae; a=1.497 AU; e=.128; peri=22</Orbit>
</Body>
<Body>
<Name>Mu Arae e</Name>
<Object>Jupiter</Object>
<Mass>.1.814 jupiters</Mass>
<Diameter>1.8 jupiters</Diameter>
<Orbit>body=Mu Arae; a=5.235 AU; e=.0985; peri=57.6</Orbit>
</Body>
</System>
Look at the last two objects... I made sure the others worked.
Edit: Mu Arae b works... Hmmm...